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发明名称
Projecteur de cinématographie
摘要
申请公布号
FR949991(A)
申请公布日期
1949.09.14
申请号
FRD949991
申请日期
1947.07.17
申请人
MANUFACTURERS MACHINE & TOOL COMPANY, INC.
发明人
分类号
G03B21/20
主分类号
G03B21/20
代理机构
代理人
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